Finding the Fourth Proportional to 84,719.25, 126,996.26 and 40,334.09
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Solution
The fourth proportional to 84,719.25, 126,996.26 and 40,334.09 is: 60,461.79
Step by Step Solution
- Step 1: Write the proportion equation
84,719.25 : 126,996.26 = 40,334.09 : x - Step 2: Convert to fraction form
84,719.25/126,996.26 = 40,334.09/x - Step 3: Cross multiply
84,719.25x = 126,996.26 × 40,334.09 - Step 4: Simplify right side
84,719.25x = 5,122,277,743.85 - Step 5: Solve for x
x = 5,122,277,743.85/84,719.25 - Step 6: Final answer
x = 60,461.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.